now checks for timeout using net.Error

pkg/diag.go

 package pkg
 
 import (
+	"net"
 	"strconv"
-	"strings"
 	"time"
 )
 
@@ -29,7 +29,7 @@ func GetDiag(d* Diag) error {
 	// gets status of GBIF api, returns appropriate error
 	if err := getGbifStatus(d); err != nil{
 		// if it was a timeout caused by the http.client there was no returned status code of API
-		if strings.Contains(err.Error(), "error occurred while contacting") {
+		if err, ok:= err.(net.Error); ok && err.Timeout() {
 			d.Gbif = "The server did not give a timely response: No status code returned"
 		} else {
 			return err
@@ -39,7 +39,7 @@ func GetDiag(d* Diag) error {
 	// gets status of restcountries api, returns appropriate error
 	if err := getRestStatus(d); err != nil {
 		// if it was a timeout caused by the http.client there was no returned status code of API
-		if strings.Contains(err.Error(), "error occurred while contacting") {
+		if err, ok:= err.(net.Error); ok && err.Timeout() {
 			d.Gbif = "The server did not give a timely response: No status code returned"
 		} else {
 			return err